Lycophytes: Isoetales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Isoetes hyemalis
FAMILY
Isoetaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Isoetes from the Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Isoetes hyemalis
FAMILY
Isoetaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Isoetes hyemalis
SYNONYMOUS WITH Georgia Quillworts (Musselman, 2001)
Isoetes hyemalis
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Isoetes hyemalis
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 005-01-002:
Isoetes engelmannii FAMILY Isoetaceae
INCLUDED WITHIN Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Isoetes engelmannii
INCLUDED WITHIN Ferns of the Southeastern States (Small, 1938)
Isoetes engelmannii var. engelmannii
COMMON NAME:
Wintergreen Quillwort, Winter Quillwort, evergreen quillwort
To see larger pictures, click or hover over the thumbnails.
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Peter Schafran psc_hye1
August Pender County NC
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Peter Schafran psc_hye2
August Orange County NC
Duke Forest
I. hyemalis often forms large populations, sometimes w 1000s of individuals, per Georgia Quillworts (Musselman, 2001).
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Peter Schafran psc_hye3
August Columbus County NC
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Peter Schafran psc_hye4
August Duplin County NC
Mature megaspores in soil.
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Peter Schafran psc_hye5
August Orange County NC
Camp Chestnut Ridge
Megaspores on knife blade.
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Peter Schafran psc_hye6
August Orange County NC
Camp Chestnut Ridge
Megaspores at base of plant.
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Isoetes hyemalis
FAMILY
Isoetaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Isoetes hyemalis
FAMILY
Isoetaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Isoetes hyemalis
SYNONYMOUS WITH
Georgia Quillworts (Musselman, 2001)
Isoetes hyemalis
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Isoetes hyemalis
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 005-01-002:
Isoetes engelmannii
FAMILY
Isoetaceae
INCLUDED WITHIN
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Isoetes engelmannii
INCLUDED WITHIN
Ferns of the Southeastern States (Small, 1938)
Isoetes engelmannii var. engelmannii
4239
Fern/Fern ally; Emergent aquatic (rooted)
Perennial
Habitat: blackwater streams and sandy streambanks, per Weakley's Flora
Native to the Carolinas & Georgia
Rare
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
LEAVES:
Evergreen
Simple
Leaves whorled, at least at maturity
FRUIT:
Spring/Summer/Fall
TO LEARN MORE about this plant, look it up in a good book!
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".